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Stock-Based Compensation (Detail) - (Table 3) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Share-Based Payment Arrangement [Abstract]
Proceeds from stock options exercised	$ 371	$ 0	$ 1,171	$ 415
Intrinsic value of stock options exercised	$ 15,731	$ 0	$ 16,089	$ 295
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum			40.60%	42.50%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum			3.70%	1.20%
Exercisable at June 30, 2012 (in Dollars per share)	$ 35.99	$ 28.94	$ 35.99	$ 28.94
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Expirations in Period			(229)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price			$ 36.01

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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